Table 2.
TASQ test–retest reliability
| Domain | 1 month mean | 3 months mean | Mean difference | P‐value | ICC a | Agreement |
|---|---|---|---|---|---|---|
| Physical symptoms (1, 14) | 11.0 | 11.3 | 0.31 | 0.039 | 0.852 | Excellent |
| Physical limitations (3, 6, 7, 15) | 21.4 | 22.5 | 1.14 | 0.003 | 0.826 | Excellent |
| Emotional impact (2, 8–13) | 38.3 | 39.9 | 1.59 | 0.009 | 0.895 | Excellent |
| Social limitations (4, 5) | 11.4 | 12.2 | 0.82 | 0.001 | 0.791 | Strong |
| Health expectations (16) | 4.9 | 4.5 | −0.43 | 0.054 | 0.524 | Moderate |
| TASQ total score | 87.0 | 90.4 | 3.43 | 0.002 | 0.883 | Excellent |
ICC, intraclass correlation coefficient; TASQ, Toronto Aortic Stenosis Quality of Life Questionnaire.
No patients with surgical aortic valve replacement were considered for this analysis as recovery is prolonged vs. transcatheter aortic valve implantation. No patients were hospitalized between Months 1 and 3, and no patients had a change in New York Heart Association class.
The ICC (ratio of between‐groups variance:total variance) ranges from 0 to 1, with higher scores indicating increased test–retest reliability. In general, an intraclass correlation coefficient of 0 to 0.2 indicates poor agreement, 0.3 to 0.4 fair agreement, 0.5 to 0.6 moderate agreement, 0.7 to 0.8 strong agreement, and >0.8 excellent agreement.